NYC-WTC_000231431

NYC 9/11 Public Portal Document

cnata V^onsulting c kJcrviccs, Inc. 304 Edgemont Terrace Teaneck NJ 07666 201 692 7967 fax 201 678 1789

Certificate of Analysis Client: Riverpoint, Inc Project Location: WTC, NYC Analysis Date: October 8, 2001 Client#: 101171 Work Area: N/A RCS Project # 099

PCM Air Sample Analysis Summary Lab ID Client ID Sample Description Date Flow Rate Duration Volume Fibers Fields Density Fiber Cone. LOD Collected [liters/mrn.] [minutes] [liters] [Fiber/mm"] [Fiber/cc] [Fiber/cc] 2563 011008 Park Place and Church 10/8/01 15.00 45 675.0 13.00 100 16.56 0.009 0.004 2565 021008 Park Place and Greenwich__________ 10/8/01 14.50 61 884.5 10.50 100 13.38 0.006 0.003 2564 031008 Murray and Church________________ 10/8/01 14.75 45 663.8 10.00 100 12.74 0.007 0.004 2566 041008 Murray and Greenwich_____________ 10/8/01 14.75 61 899.8 6.00 100 7.64 0.003 0.003 2580 051008 Fulton and Church 10/8/01 15.00 50 750.0 7.00 100 8.92 0.005 0.004 2568 061008 Warren and North End_____________ 10/8/01 14.00 45 630.0 9.50 100 12.10 0.007 0.004 2567 071008 West Street and Warren____________ 10/8/01 14.75 45 663.8 12.00 100 15.29 0.009 0.004 2581 081008 Gateway Plaza___________________ 10/8/01 14.60 55 803.0 3.00 100 3.82 <LOD 0.003 2582 091008 South End Avenue and Albany_______ 10/8/01 14.60 50 730.0 3.00 100 3.82 <LOD 0.004 2583 101008 West and Albany_________________ 10/8/01 14.80 45 666.0 17.00 100 21.66 0.013 0.004 2578 111008 Rector Place by park______________ 10/8/01 14.75 51 752.3 6.00 100 7.64 0.004 0.004 2576 121008 3rd Place and West End and Waterside 10/8/01 15.00 49 735.0 5.50 100 7.01 <LOD 0.004 2577 131008 West end of West Thames 10/8/01 15.00 48 720.0 2.00 100 2.55 <LOD 0.004 2572 141008 Park Place and River Terrace________ 10/8/01 15.00 45 675.0 4.50 100 5.73 <LOD 0.004 2570 151008 River Terrace and Chambers________ 10/8/01 14.50 45 652.5 3.00 100 3.82 <LOD 0.004 2571 161008 River Terrace and Warren 10/8/01 14.00 45 630.0 6.00 100 7.64 0.005 0.004 2569 171008 North End and Park Place 10/8/01 14.00 45 630.0 9.00 100 11.46 0.007 0.004 2573 181008 Vesey and River Terrace___________ 10/8/01 14.50 45 652.5 4.00 100 5.10 <LOD 0.004 2579 191008 Trinity Place and Thames___________ 10/8/01 15.00 48 720.0 11.00 100 14.01 0.007 0.004 2584 201008 Vesey and West Broadway__________ 10/8/01 14.60 50 730.0 OVL 100 N/A N/A 0.004 2574 FBI Field Blank 1_____________________ 10/8/01 0.00 0 0.0 0.00 100 0.00 N/A N/A 2575 FB2 Field Blank 2 10/8/01 0.00 0 0.0 0.00 100 0.00 N/A N/A o H

ELAP ID No. 11750 Expires 12:01 AM, April 1, 2002 Analysis Method: Phase Contrast Microscopy, NIOSH Method 7400 to

s O Limit of Quantitation (LOQ) = 102 [Eiber/mm^] Limit of Detection (LOD) = 7 [Eiber/mm^] OVL - Overloaded o o Io o co Analysis Performed By: Ad ^.24 co Marek Pawlik co o Laboratory Director co CR o

NYC-WTC_000231534